Loudspeaker cabinet



FIG. 1 is an isometric view of a loudspeaker cabinet showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof; and

FIG. 5 is an elevation as seen from the side opposite that shown in FIG. 1. 

The ornamental design for a loudspeaker cabinet, as shown and described. 